| Challenger Sao Paulo | 2022/06/18 23:20 | Yokoyama, Hiromi v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/06/01 23:40 | Yokoyama, Hiromi v Douglas Tomioka | L | 1-3 |
| Challenger Sao Paulo | 2022/05/14 22:40 | Douglas Tomioka v Yokoyama, Hiromi | L | 3-0 |
| Challenger Sao Paulo | 2022/05/11 21:40 | Yokoyama, Hiromi v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/04/17 01:40 | Yokoyama, Hiromi v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/04/07 23:40 | Douglas Tomioka v Yokoyama, Hiromi | L | 3-0 |
| Challenger Sao Paulo | 2022/04/01 01:40 | Douglas Tomioka v Yokoyama, Hiromi | L | 3-0 |
| Challenger Sao Paulo | 2022/06/30 21:00 | Mizutani, Fabio v Yokoyama, Hiromi | L | 3-0 |
| Challenger Sao Paulo | 2022/06/19 02:40 | Yokoyama, Hiromi v Mauricio Teodoro | W | 3-0 |
| Challenger Sao Paulo | 2022/06/19 01:20 | Waldir Forner Junior v Yokoyama, Hiromi | W | 2-3 |
| Challenger Sao Paulo | 2022/06/19 00:40 | Marcelo Phaiffer v Yokoyama, Hiromi | L | 3-1 |
| Challenger Sao Paulo | 2022/06/19 00:00 | Guilherme Mattos v Yokoyama, Hiromi | L | 3-0 |
| Challenger Sao Paulo | 2022/06/18 23:20 | Yokoyama, Hiromi v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/06/18 21:40 | Alejandro Fernandez Junior v Yokoyama, Hiromi | L | 3-0 |
| Challenger Sao Paulo | 2022/06/18 21:00 | Mizutani, Fabio v Yokoyama, Hiromi | L | 3-1 |
| Challenger Sao Paulo | 2022/06/30 02:40 | Rodrigo Procidonio Ruiz v Douglas Tomioka | W | 2-3 |
| Challenger Sao Paulo | 2022/06/30 02:00 | Guilherme Mattos v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/06/30 01:20 | Paulo Martinez v Douglas Tomioka | W | 1-3 |
| Challenger Sao Paulo | 2022/06/30 00:40 | Newton Takaki v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/06/29 23:40 | Marco Cruz v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/06/29 23:00 | Mizutani, Fabio v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/06/29 22:20 | Alejandro Fernandez Junior v Douglas Tomioka | L | 3-1 |
| Challenger Sao Paulo | 2022/06/29 21:40 | Rogerio Capobianco v Douglas Tomioka | W | 0-3 |